Numbers k such that k-th and (k+1)-st term of A038593 differ by 3.

Terms

a(0) =11a(1) =32a(2) =385a(3) =1612a(4) =2159a(5) =2224a(6) =2379a(7) =2454a(8) =3163a(9) =3280a(10) =3739a(11) =4134a(12) =4406a(13) =7137a(14) =14077a(15) =15516a(16) =17662a(17) =17916a(18) =20720a(19) =21891a(20) =23595a(21) =25886a(22) =26229a(23) =26470a(24) =31855a(25) =37800a(26) =37803a(27) =38753a(28) =39406a(29) =42508